Finding the Fourth Proportional to 825,667.42, 1,238,624.25 and 293,143.99

Step by Step Solution

1. Step 1: Write the proportion equation
   825,667.42 : 1,238,624.25 = 293,143.99 : x
2. Step 2: Convert to fraction form
   825,667.42/1,238,624.25 = 293,143.99/x
3. Step 3: Cross multiply
   825,667.42x = 1,238,624.25 × 293,143.99
4. Step 4: Simplify right side
   825,667.42x = 363,095,254,755.76
5. Step 5: Solve for x
   x = 363,095,254,755.76/825,667.42
6. Step 6: Final answer
   x = 439,759.70